Borrowing it
Nothing to install: this file belongs to frstlvl/obsidian-mcp-server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/frstlvl/obsidian-mcp-server/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/frstlvl/obsidian-mcp-serverWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/frstlvl/obsidian-mcp-server/copilot-instructions)<a href="https://agentmods.dev/instructions/frstlvl/obsidian-mcp-server/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/frstlvl/obsidian-mcp-server/copilot-instructions/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/frstlvl/obsidian-mcp-server/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/frstlvl/obsidian-mcp-server/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.04268 | $0.04268 |
| Opus 5.5 | $0.01707 | $0.01707 |
| Sonnet 5.5 | $0.00854 | $0.00854 |
| Haiku 4.5 | $0.00427 | $0.00427 |
Grade A, and why
obsidian-mcp-server copilot-instructions.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- obsidian-mcp-server AGENTS.md — 89% identical, 125 lines differ
How it starts
The opening of the file, as written. The whole thing — 635 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Obsidian MCP Server - AI Instructions
Project Overview
This is a Model Context Protocol (MCP) server that provides real-time Claude AI access to Obsidian vaults. The server enables dynamic querying, searching, and reading of notes without token limitations through JSON-RPC 2.0 over stdio.
Key Purpose: Bridge Claude AI with Obsidian knowledge bases through efficient, secure, real-time vault access.
Issue Tracking
This project uses bd (beads) for issue tracking.
Run bd prime for workflow context.
Quick reference:
bd ready- Find unblocked workbd create "Title" --description "Description" --type task --priority 2- Create issuebd close <id>- Complete workbd sync- Sync with git
Critical Project Context
MCP Architecture (CRITICAL)
- Protocol: JSON-RPC 2.0 over stdio (stdin/stdout), NOT REST/HTTP
- Server Model: Long-running process with structured message communication
- Resources: Vault notes exposed as
obsidian://vault/[path]URIs - Tools: Functions callable by Claude (list_vaults, search_vault, create_note, etc.)
- Multi-Vault: Single server instance serving multiple vaults via
vaultsconfig array - Implementation: TypeScript using @modelcontextprotocol/sdk
Technology Stack
Runtime & Build:
- Node.js 18+ (recommended 20+)
- TypeScript 5.7+ with strict mode
- ES Modules (type: "module" in package.json)
Core Dependencies:
@modelcontextprotocol/sdk- MCP protocol implementation@xenova/transformers- Local embedding generation (Transformers.js)vectra- Local vector database for semantic searchchokidar- File system watcher for automatic index updateswinston- Structured logging systemgray-matter- YAML frontmatter parsingzod- Runtime type validation
Development:
tsx- TypeScript execution and hot reloadprettier- Code formattingeslint- Code linting
Project Structure
obsidian-mcp-server/
├── src/
│ ├── index.ts # Entry point, server initialization
│ ├── obsidian-server.ts # MCP request handlers (resources, tools)
│ ├── vault-registry.ts # Multi-vault context management
│ ├── embeddings.ts # Vector store and embedding generation
│ ├── search.ts # Keyword search implementation
│ ├── utils.ts # Config loading, path helpers
│ ├── logger.ts # Winston logging configuration
│ └── indexing-worker.ts # Background indexing worker process
├── docs/
│ ├── configuration.md # Configuration options
│ ├── indexing-workflow.md # Indexing procedures and troubleshooting
│ ├── semantic-search.md # Search implementation details
│ └── vector-search.md # Vector search architecture
├── scripts/
│ └── inspect-yaml-issues.ps1 # YAML frontmatter debugging
├── .github/
│ ├── copilot-instructions.md # This file
│ ├── obsidian-mcp-server.code-workspace # VS Code workspace
│ └── README.md # GitHub folder documentation
├── config.json # Runtime configuration (gitignored)
├── config.example.json # Configuration template
└── package.json # Dependencies and scripts
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 635 lines · 4,268 tokens per session scan A 9d7785ad5752
obsidian-mcp-server copilot-instructions.md is an instructions file published in the GitHub repository frstlvl/obsidian-mcp-server (1 stars, last pushed 6mo ago), licensed MIT. It adds 4,268 tokens to every session, about $0.0171 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
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